Diagnostics and Troubleshooting
MVI56-PDPMV1 ♦ ControlLogix Platform
User Manual
PROFIBUS DPV1 Master
Page 194 of 251
ProSoft Technology, Inc.
Viewing PROFIBUS Slave Diagnostic Bytes
Use the Mailbox Message: Get Slave Diagnostics (page 150) to retrieve
PROFIBUS slave diagnostic bytes. Refer to Mailbox Messaging (page 129) to
see how to view the bytes returned by this mailbox message.
Standard PROFIBUS Slave Diagnostic Bytes
The diagnostic information consists of 6 bytes of standard diagnostic information
plus any user-related diagnostic information. The standard information is shown
in the tables below.
Byte
Description
0
Station status 1
1
Station status 2
2
Station status 3
3
Master address
4
Ident number high
5
Ident number low
Byte 0 - Station Status 1 Bits
Bit
Description
0
Station not existent
1
Station not ready
2
Configuration fault
3
Extended diagnostic data present
4
Not supported
5
Invalid slave response
6
Parameter fault
7
Master lock
Byte 1 - Station Status 2 Bits
Bit
Description
0
Parameter request
1
Static diagnostic
2
Slave device
3
Watchdog on
4
Freeze mode
5
Sync mode
6
Reserved
7
Slave deactivated
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